Two true-crime thrillers include "Murder of Innocence," in which a global effort captures a serial predator; and "A Murderous Affair," in which a rookie FBI agent is set up by his informant. Murder of innocence: It's impossible to resist Andrew Luster. He's rich, charming, and good-looking, and dozens of women have fallen under his spell. But Andrew is no mere womanizer. He's a predator, and it'll take a global effort to put him behind bars. A Murderous...